Question

How to add spaces to a number every 4 digits in VB.NET

Answer 1

Imports System
Imports System.Text.RegularExpressions

Public Class Program
    Public Shared Sub Main()
        Dim cardNumber As String = "9003125334656789"
        
        Dim cardNumberWithSpaces As String = Regex.Replace(cardNumber, ".{4}", "$0 ")
        
        Console.WriteLine(cardNumberWithSpaces)
    End Sub
End Class




' run:
'
' 9003 1253 3465 6789 
'

 

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